Abstract:
Disclosed herein is a touch display device, including: a panel including a plurality of sensing electrodes which are arranged under a dielectric layer and in a matrix configuration; a rectification unit including at least one rectifier configured to be connected to at least two sensing electrodes; and an energy storage unit including at least one capacitive element which is connected to the rectifier.
Abstract:
A method for representing a tactile image and providing a touch function and a haptic feedback function to a tactile touch panel includes: applying a touch driving voltage to the tactile touch panel; and applying a tactile voltage corresponding to an image to be displayed to the tactile touch panel in a blanking interval when the touch driving voltage may be not applied to a plurality of touch driving lines of the tactile touch panel, when a touch sensing voltage corresponding to a touch on the tactile touch panel may be received through a plurality of touch sensing lines of the tactile touch panel.
Abstract:
A touch sensor of an electromagnetic resonance type includes a plurality of touch electrodes configured to generate an electromagnetic wave according to an input signal or to transmit an output signal according to a response electromagnetic wave from an approached object, wherein corresponding ones of the plurality of touch electrodes are at a same layer.
Abstract:
A display device including a display panel having a first area, a second area, and a plurality of pixels to provide an image during a frame period, and a touch panel including a first touch part including first and second touch coils insulated from each other, and a second touch part including first touch electrodes and second touch electrodes insulated each other, in which corresponding second scan signals are applied to the first touch electrodes disposed in the first area when corresponding first scan signals are applied to the first touch coils disposed in the second area during a first period of the frame period, the second touch coils are configured to provide first sensing signals according to a resonant frequency of an input device, and the second touch electrodes are configured to provide second sensing signals according to a variation in a capacitance.
Abstract:
A flexible display device and a method of driving a flexible display device, in which the method of driving the flexible display device includes detecting a capacitance change with respect to at least some coordinates of a display area, determining whether bending is occurring through the detected capacitance change, and setting a driving mode in response to a result of the step of determining whether bending is occurring. The driving mode is converted into a bending mode when it is determined that bending is occurring, and the driving mode is set into a force touch mode when it is determined that bending is not occurring.
Abstract:
A rollable display panel and a rollable display device, the rollable display panel including a display region configured to display an image; a non-display region surrounding the display region; and a resistor sensor in the non-display region including sensing material of which resistance values are different by location, wherein the resistor sensor outputs a sensing signal that is regularly changed proportional to a rolling length of the rollable display panel, and a sensor driver that determines a driving region of the rollable display panel based on the sensing signal.
Abstract:
A touch sensor includes a plurality of touch electrode lines which extends outwardly from a central portion thereof at a predetermined angular interval around the central portion, a vibration sensing element positioned at the central portion, and a touch controller which receives a first touch signal from at least one of the plurality of touch electrode lines, detects a touch angle between a touch position at which a touch occurs and a first direction with respect to the central portion, receives a second touch signal from the vibration sensing element, calculates a touch distance from the central portion to the touch position based on a time difference between a first point of time when the first touch signal is received and a second point of time when the second touch signal is received, and outputs touch coordinates including the touch angle and the touch distance.
Abstract:
A display device including a display, a plurality of gripping sensors formed at edges of the display and configured to generate a gripping signal according to a gripping of an edge of the display, a sensing scan driver configured to generate sensing input signals according to a gripping position based on the gripping signal, and a plurality of touch sensors formed on the display and configured to generate a sensing output signal in response to a touch of the display based on the sensing input signals, in which the sensing input signals include a first sensing input signal and a second sensing input signal, the first sensing input signal corresponds to a touched gripping sensor, the second sensing input signal corresponds to a non-touched gripping sensor, and the first sensing input signal has a higher voltage than the second sensing input signal.
Abstract:
A flexible display device and a method of driving a flexible display device are provided. The method of driving the flexible display device includes detecting a capacitance change with respect to at least some coordinates of a display area, determining whether bending is occurring through the detected capacitance change, and setting a driving mode in response to a result of the step of determining whether bending is occurring, wherein the driving mode is converted into a bending mode when it is determined that bending is occurring, and the driving mode is set into a force touch mode when it is determined that bending is not occurring.
Abstract:
A display device including a display unit including sensing input signal lines, sensing output signal lines, and touch sensors disposed on the sensing input signal lines and the sensing output signal lines, a sensor unit including gripping sensors corresponding to the sensing input signal lines, the sensor unit configured to generate a gripping signal including touch information of a first gripping sensor and position information of a first sensing input signal line corresponding to the first gripping sensor, and a signal controller configured to control a sensing scan control signal such that a first sensing input signal including a higher voltage than a reference voltage is applied to the first sensing input signal line according to gripping signal, and a sensing scan driver configured to generate a sensing input signal that is applied to the sensing input signal lines according to the sensing scan control signal.